Unsupervised Coherent Video Cartoonization with Perceptual Motion Consistency

• URL: http://arxiv.org/abs/2204.00795v1
• Date: Sat, 2 Apr 2022 07:59:02 GMT
• Title: Unsupervised Coherent Video Cartoonization with Perceptual Motion Consistency
• Authors: Zhenhuan Liu, Liang Li, Huajie Jiang, Xin Jin, Dandan Tu, Shuhui Wang, Zheng-Jun Zha
• Abstract summary: We propose a spatially-adaptive alignment framework with perceptual motion consistency for coherent video cartoonization. We devise the semantic correlative map as a style-independent, global-aware regularization on the perceptual consistency motion. Our method is able to generate highly stylistic and temporal consistent cartoon videos.
• Score: 89.75731026852338
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In recent years, creative content generations like style transfer and neural photo editing have attracted more and more attention. Among these, cartoonization of real-world scenes has promising applications in entertainment and industry. Different from image translations focusing on improving the style effect of generated images, video cartoonization has additional requirements on the temporal consistency. In this paper, we propose a spatially-adaptive semantic alignment framework with perceptual motion consistency for coherent video cartoonization in an unsupervised manner. The semantic alignment module is designed to restore deformation of semantic structure caused by spatial information lost in the encoder-decoder architecture. Furthermore, we devise the spatio-temporal correlative map as a style-independent, global-aware regularization on the perceptual motion consistency. Deriving from similarity measurement of high-level features in photo and cartoon frames, it captures global semantic information beyond raw pixel-value in optical flow. Besides, the similarity measurement disentangles temporal relationships from domain-specific style properties, which helps regularize the temporal consistency without hurting style effects of cartoon images. Qualitative and quantitative experiments demonstrate our method is able to generate highly stylistic and temporal consistent cartoon videos.

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